constructor(game : Game, player : Player, layer : Layer) {
    this.game_ = game;
    this.player_ = player;
    this.layer_ = layer;

    Listener.add(player, 'death', this.death_.bind(this));
    Listener.add(player, 'respawn', this.respawn_.bind(this));

    game.getPainter().registerDrawable(layer, this);
  }

  constructor(game : Game, localPlayer : LocalPlayer) {
    super(game, localPlayer, Layer.LOCAL_PLAYER);

    this.resourceManager_ = game.getResourceManager();
    this.localPlayer_ = localPlayer;

    Listener.add(localPlayer, 'collect_prize', this.collectPrize_.bind(this));
    Listener.add(localPlayer, 'bounce', this.bounce_.bind(this));
    Listener.add(localPlayer, 'multifire', this.toggleMultifire_.bind(this));
    Listener.add(localPlayer, 'capture_flag', this.captureFlag_.bind(this));
    Listener.add(localPlayer, 'weapon_fired', this.weaponFired_.bind(this));
  }

  constructor(game : Game, bomb : Bomb) {
    super(game.simulation);

    let level = bomb.getLevel();

    this.game_ = game;
    this.bomb_ = bomb;
    this.animation_ = game.getResourceManager().getSpriteSheet((bomb.isMine()) ? 'mines' : 'bombs').getAnimation(level);
    this.animation_.setRepeatCount(-1);
    this.bouncingAnimation_ = game.getResourceManager().getSpriteSheet('bombs').getAnimation(level + 8);
    this.bouncingAnimation_.setRepeatCount(-1);

    Listener.add(this.bomb_, 'explode', this.onExplode_.bind(this));
    Listener.add(this.bomb_, 'explode_jitter', this.onJitter_.bind(this));

    game.getPainter().registerDrawable(Layer.PROJECTILES, this);
  }

  constructor(bullets : Array<Bullet>) {
  // If there aren't at least two bullets, don't bother grouping.
    if (bullets.length < 2) {
      return;
    }

    this.bullets_ = bullets;

    for (let i = 0; i < this.bullets_.length; ++i) {
      Listener.add(this.bullets_[i], 'explode', this.onExplode_.bind(this));
    }
  }

  constructor(game : Game, burst : Burst) {
    super(game.simulation);

    this.game_ = game;
    this.burst_ = burst;
    this.activeAnimation_ = game.getResourceManager().getSpriteSheet('bullets').getAnimation(9);
    this.activeAnimation_.setRepeatCount(-1);
    this.inactiveAnimation_ = game.getResourceManager().getSpriteSheet('bullets').getAnimation(4);
    this.inactiveAnimation_.setRepeatCount(-1);

    Listener.add(this.burst_, 'explode', this.onExplode_.bind(this));

    game.getPainter().registerDrawable(Layer.PROJECTILES, this);
  }

  constructor(game : Game, bullet : Bullet) {
    super(game.simulation);

    let level = bullet.getLevel();

    this.game_ = game;
    this.bullet_ = bullet;
    this.animation_ = game.getResourceManager().getSpriteSheet('bullets').getAnimation(level);
    this.animation_.setRepeatCount(-1);
    this.bouncingAnimation_ = game.getResourceManager().getSpriteSheet('bullets').getAnimation(5 + level);
    this.bouncingAnimation_.setRepeatCount(-1);

    Listener.add(this.bullet_, 'explode', this.onExplode_.bind(this));
    game.getPainter().registerDrawable(Layer.PROJECTILES, this);
  }